Vessel-closure.



J. R. HARBECK.

VESSEL CLOSURE.

APPLICATION FILED NOV. 12. 1912.

Llfigfilfi. PateutedSept. 7, 1915.

1, III/III 1 I 5 6 JERVIS It. HARBECK, OF CHICAGO, ILLINOIS, ASSIGNOR T0 AMERICAN CAN COMPANY, OF NEW YORK, N. Y., A CORPORATION OF NEW JERSEY.

VESSEL-CLOSURE.

Specification of Letters JPatent.

Application filed. November 12, 1912. Serial No. 730,863.

devices and combinations of parts and devices hereinafter fully described and made the subject matter of claim.

In the accompanying drawings, Figure 1 is a top or plan view of the paper walled vessel having a sheet metal head. Fig. 2

is a vertical section on the line 2 2 of Fig. 1. Fig. 3- is a section on the line 3-3 of Fig. 2. Fig. 4 is a perspective view of a portion of the closure opening in the sheet metal head, and Fig. 5 is an enlarged section on the line 55 of. Fig. 1.

The walls A of the vessel are made of two or more layers a, a of paper united by an intervening layer 1) offused cement. It is the property of such a wall to be impervious to moisture. The head or end 0 is made of ordinary sheet metal, either tinned or not,

and preferably untinned, since the untinned sheet metal is cheaper. V This sheet metal head is secured to the paper walls by crimping, as at D. In the head, and preferably nearer one end, is the opening E, to permit of access to the interior of the vessel. This opening is stamped with the vertical wall a and the horizontal, inwardly extending shelf 6 The outline of the opening is preferably in part, at least, circular, so that this shelf e will be self bracing. At several points, preferably four, the shelf is cut by the tangs F, which, before the closure is applied, should be bent upward into the position shown in Fig. 4:. The closure piece itself is shown at G, and it is made likethe walls upper surface of the closure piece G, whereby said closure piece is heated and the layer of fusible cement b rendered sufiiciently fluid to flow,'so that it can be oozed out all around, as at b, (see Fig. 5), and thus operate to seal the closure hermetically, and particularly against the entry of moisture to the interior of the can. The paper closure piece G is preferably indented on its under side, as at. the dotted line H, so that the can may be opened by turning up one of the tangs F and raising the part G on the hinge H. The cement will not offer suflicient resistance to prevent this opening. The closure piece now becomes a hinged lid that can be opened and closed at pleasure. Cans or vessels made in this manner are well adapted for many purposes, as for example, for the containing of table salt, the sealed,

' hinged, tang-secured closure being well adapted for such containers, and the whole construction being such that the dampproof, sealed and openable vessel can be made very cheaply.

][ claim 1.,A container of the character described having a sheet metal end provided with an opening near one edge thereof, which opening is of less area than the end of the container and is surrounded by a depressed shelf, said shelf having integral tangs struck upwardly therefrom around the edges of the opening. the tangs being adapted to secure a closure disk in place over the opening, substantially as specified.

2. A container of the character described having one of its ends of sheet metal provided with an opening, the end being countersunk around said opening to thereby provide a vertical wall and a supporting shelf at the base of such wall, and a disk composed of layers of fibrous material united by a fused cement fitting said opening. and resting on said shelf, said fused cement being adapted to be rendered fluid by heat and to. be oozed out by pressure all around said closure to seal the opening, and tangs integral with and cut from the said shelf and bendable over the top of the said disk, substantially as specified.

3. A container of the character described comprising a body of fibrous material having a sheet metal top secured thereto, the top having an opening near one edge thereof surrounded by a depressed shelf and having also a plurality of bendable tangs F struck from the said shelf around the edges of said opening, and a closure disk composed of layers of fibrous material united by a fused cement, said. closure being adapted to fit the opening in the top, the fused cement being adapted to be rendered fluid and flowed by the application of heat and pressure, whereby the disk may be sealed around its edges to the can top and held in place by said tangs, substantially as specified.

4. A container having a sheet metal head formed with an opening-surrounded by a wall and a depressed inwardly extending shelf, the said shelf being cut to form integral bendable tangs at the sides thereof and at the ends thereof, and a closing disk of fibrous material seated on the said shelf and adapted to be secured in place by having the said tangs bent down upon the top surfaceof the disk, the under side of the disk being scored in lne with two of the said tangs which are opposite to each other, whereby the container may be opened by bending up.

JERVIS R. HARBECKQ Witnesses:

RALPH H. DRAKE, Cmroan A. WILLIAMS. 

